2-Aminobenzimidazole

Names

[ CAS No. ]:
934-32-7

[ Name ]:
2-Aminobenzimidazole

[Synonym ]:
usafek-4037
2H-Benzimidazol-2-imine, 1,3-dihydro-
2-aMinobenziMidazde
2-BENZIMIDAZOLAMINE
1,3-Dihydro-2H-benzimidazol-2-imine
UNII-E65DE7521V
2-amino-1H-benzimidazole
MFCD00005596
2-amino-benzimidazol
2-Aminobenzimidazole
EINECS 213-280-6
2-amino-benzimidazole
BenziMidazoloniMide
1H-Benzimidazol-2-amine
benzimidazole-amine
2-BENZIMIDAZOLYLAMINE
AMINO-2-BENZIMIDAZOLE
2-Iminobenzimidazoline
Rabeprazole Impurity 19

Chemical & Physical Properties

[ Density]:
1.4±0.1 g/cm3

[ Boiling Point ]:
368.9±25.0 °C at 760 mmHg

[ Melting Point ]:
226-230 °C(lit.)

[ Molecular Formula ]:
C₇H₇N₃

[ Molecular Weight ]:
133.151

[ Flash Point ]:
204.6±10.4 °C

[ Exact Mass ]:
133.063995

[ PSA ]:
54.70000

[ LogP ]:
0.78

[ Vapour Pressure ]:
0.0±0.8 mmHg at 25°C

[ Index of Refraction ]:
1.780

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DD5775000

CHEMICAL NAME :: Benzimidazole, 2-amino-

CAS REGISTRY NUMBER :: 934-32-7

BEILSTEIN REFERENCE NO. :: 0116525

LAST UPDATED :: 199701

DATA ITEMS CITED :: 9

MOLECULAR FORMULA :: C7-H7-N3

MOLECULAR WEIGHT :: 133.17

WISWESSER LINE NOTATION :: T56 BM DNJ CZ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 500 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD40 - Lethal Dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 600 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 100 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 126 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 426 mg/kg

SEX/DURATION :: female 8-15 day(s) after conception

TOXIC EFFECTS :: Reproductive - Effects on Embryo or Fetus - fetal death

MUTATION DATA

TYPE OF TEST :: DNA repair

TEST SYSTEM :: Bacteria - Escherichia coli

DOSE/DURATION :: 2 mg/disc

REFERENCE :: JPFCD2 Journal of Environmental Science and Health, Part B: Pesticides, Food Contaminants, and Agricultural Wastes. (Marcel Dekker, 270 Madison Ave., New York, NY 10016) V.B11- 1976- Volume(issue)/page/year: 21,319,1986

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H302-H315-H317-H319-H335

[ Precautionary Statements ]:
P261-P280-P305 + P351 + P338

[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Faceshields;Gloves

[ Hazard Codes ]:
Xn:Harmful;

[ Risk Phrases ]:
R22;R36/37/38

[ Safety Phrases ]:
S26-S36/37/39-S22

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ RTECS ]:
DD5775000

[ HS Code ]:
29339990

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2933990090

[ Summary ]:
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Articles

Aggregation of 2-aminobenzimidazole--a combined experimental and theoretical investigation.

ChemPhysChem 12(9) , 1747-55, (2011)

An investigation of 2-aminobenzimidazole was carried out by calculations at HF, MP2, and DFT levels of theory and also by UV and IR spectroscopy. The quantum chemical calculations predict a full shift...

Brain-penetrating 2-aminobenzimidazole H(1)-antihistamines for the treatment of insomnia.

Bioorg. Med. Chem. Lett. 19(15) , 4380-4, (2009)

The benzimidazole core of the selective non-brain-penetrating H(1)-antihistamine mizolastine was used to identify a series of brain-penetrating H(1)-antihistamines for the potential treatment of insom...

Chemical biology strategy reveals pathway-selective inhibitor of NF-kappaB activation induced by protein kinase C.

ACS Chem. Biol. 5 , 287-299, (2010)

Dysregulation of NF-kappaB activity contributes to many autoimmune and inflammatory diseases. At least nine pathways for NF-kappaB activation have been identified, most of which converge on the Ikappa...